The Zipro hand grip is a simple, failure-free and, most importantly, effective tool for strengthening hands and forearms. The use of a hand grip is very wide. People training in the gym, people practicing tennis or climbing help to strengthen the grip strength, which determines the safety and effectiveness of exercises with weights. Common people, like many of us, enable hand prophylaxis in order to protect against injuries and prevent arthritis. It helps people who have suffered an injury or injuries of their hands to regain their full fitness thanks to rehabilitation exercises.